Home / 14,434.74-21,632.58-12,724.02

Finding the Fourth Proportional to 14,434.74, 21,632.58 and 12,724.02

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Solution

The fourth proportional to 14,434.74, 21,632.58 and 12,724.02 is: 19,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.74 : 21,632.58 = 12,724.02 : x
  2. Step 2: Convert to fraction form
    14,434.74/21,632.58 = 12,724.02/x
  3. Step 3: Cross multiply
    14,434.74x = 21,632.58 × 12,724.02
  4. Step 4: Simplify right side
    14,434.74x = 275,253,380.57
  5. Step 5: Solve for x
    x = 275,253,380.57/14,434.74
  6. Step 6: Final answer
    x = 19,068.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.